Reposted with permission from UC Components, Inc. View the original post on their site here: https://www.uccomponents.com/vacuum-permeation-in-o-ring-polymers/ Permeation, or the permeability coefficient, of a polymer refers to the volumetric flow of gasses, under controlled conditions, through the material’s surface. Permeability does not equal leakage! Leakage refers to gasses that flow around the seal. Permeation is a
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Reposted with permission from UC Components, Inc. View the original post on their site here: https://www.uccomponents.com/unseen-complications-outgassing-and-the-role-of-vented-fasteners-and-o-rings/ Outgassing is often an underestimated concern in vacuum systems, cleanrooms, and high-performance assemblies, especially when using fasteners and sealing materials not engineered explicitly for such environments. Outgassing is the release of trapped or absorbed gases from materials when exposed to a
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